<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
   <!-- 具名插槽的使用
    模板绑定name属性  使用时拿slot="xxx" 指定某个需要修改替换的那个

-->

    <div id="app">
        
      <cpn><span slot="center">标题</span></cpn>
      <cpn><button  slot="center">标题</button></cpn>

    </div>
    <template id="cpn">
        <div>
           <slot name="left"><span>左边</span></slot>
           <slot name="center"><span>中间</span></slot>
           <slot name="right"><span>右边</span></slot> 
            <slot>haha </slot>
        </div>
    </template>
    <script src="../js/vue.js"></script>
    <script>
        const app = new Vue({
            el:'#app',
            data:{
                message:'你好呀！'
            },
            components:{
                cpn:{
                    template:"#cpn"
                  
                }
            }
        })
    </script>
</body>
</html>